PLZ HELP VERY EASY BRAINLIEST Identify a pair of mutually exclusive events and a pair of independent events.

Solve the equation below: (x+4)/6x=1/x a. x=2 b. x=0,2 c. x=-2 d. x=0,-2

Rena is building a 1: 180 scale model of a real castle. her model has a rectangular base that is 3 feet wide and 4 feet long what is the area of the base of the actual castle in square feet

We just started the introduction into circles and i have no idea how to do this.